Buildmart (Xiamen) Building Material Technology Co., Ltd.

5-Layer Polypropylene/Polyethylene Roof Underlayment

Polyethylene Roof Underlayment is very durable. It usually does not tear, and in some cases is suitable for prolonged exposure to ultraviolet light and moisture, which is especially useful if there is some preparation time before installing the roof covering.

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Product Details

5-Layer Polypropylene/Polyethylene Roof Underlayment

Roof underlayment is the high-tech, high-performance new generation of roof underlayment. Its 5-layer polypropylene/polyethylene construction results in high strength, low weight, unmatched tear resistance and long life that simply blows away the competition.

5-layer construction
Guaranteed waterproof
Installs 30% faster than the competition's equivalent underlayment
Hurricane Proven: will not tear or rip in high winds
100% impervious to insects, vermin, mold, rot and the elements
Low-weight
Suitable for use under all roofing material
Can be left exposed to the elements for up to 6 months without degradation
Exclusive FIBER-GRIP slip-resistant surface

TYPICAL PHYSICAL & PERFORMANCE CHARACTERISTICS:
Size	37.25" x 145"
Area	4.5 Squares
Permeability ASTM E96	0.05 Perms
Water Transmission ASTM D4869	Pass
Tear ASTM D4O73	75 Ibf.
Breaking Strength ASTM D146	>55 Ibf/in
Thickness (mm) ASTM D1777	0.60
Net Mass (g/m2) ASTM D5261	420
Temperature Range	-40 °F to 240 °F
Pliability, ASTM D146	Pass
Dimensional Stability, ASTM F1087	Pass
Cold Flexibility, -25 ℃, 6 hr D5147	Pass
Unrolling @ 32 °F & 140 °F ASTM D226	Pass
Nail Sealabiltiy, ASTM D1970-15	Pass
Approx. Shipping Weights： (Note： All approx, weights include container)
Weight per Roll	40 lbs
Rolls per Pallet	25
Weight of Pallet	1050 lbs